No abstract available
MeSH terms
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Adult
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Aged
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Anesthesia, Obstetrical
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Anesthesia, Spinal / methods*
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Anesthetics, Local / administration & dosage*
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Bupivacaine / administration & dosage*
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Double-Blind Method
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Female
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Herniorrhaphy
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Humans
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Male
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Treatment Failure
Substances
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Anesthetics, Local
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Bupivacaine